Answer to Question #274400 in Chemistry for Bobby

Question

The drug tolbutamine (Molar mass = 270 g/mol) has a molar absorptivity of 703 at 262 nm.

One tablet is dissolved in water and diluted to a volume of 2 L. The solution exhibits an

absorbance equal to 0.680 in a 1 cm cell.

a. In which region of the electromagnetic spectrum the drug absorbs the radiation?

b. Calculate the transmittance and % transmittance of the drug solution.

c. Calculate the concentration of the drug solution

d. Calculate the mass of tolbutamine contained in the tablet.

Answer 1

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